An Earth-Sized Rogue Planet Discovered in the Milky Way
Our Galaxy may be teeming with rogue planets, gravitationally unbound to any star. An international team of scientists, led by Polish astronomers from the University of Warsaw, has announced the discovery of the smallest Earth-sized free-floating planet found to date. Over 4,000 extrasolar planets have been discovered to date. Although many of the known exoplanets ...
